On Thu, 2010-02-18 at 17:54 +0100, Thomas Gleixner wrote:

We are pleased to announce the next update to our new preempt-rt
series.

     - fixes and cherry-picks all over the place

     - tracer fixes from Carsten 

Seeing this here, otherwise seems fine:

BUG: sleeping function called from invalid context at
arch/x86/mm/highmem_32.c:9
in_atomic(): 1, irqs_disabled(): 0, pid: 1984, name: Xorg
Pid: 1984, comm: Xorg Not tainted
2.6.31.12-1.rt21.1.fc11.ccrma.i686.rtPAE #1
Call Trace:
 [<c0431852>] __might_sleep+0xc6/0xcb
 [<c042b494>] kmap+0x47/0x5a
 [<f8049ca7>] i915_gem_pwrite_ioctl+0x3ea/0x631 [i915]
 [<f7f61721>] drm_ioctl+0x208/0x2a9 [drm]
 [<f80498bd>] ? i915_gem_pwrite_ioctl+0x0/0x631 [i915]
 [<c0589d80>] ? inode_has_perm+0x69/0x84
 [<c07a31ff>] ? rt_mutex_lock+0x28/0x2b
 [<c046a7f3>] ? rt_down+0x1a/0x1d
 [<c04e6581>] vfs_ioctl+0x5c/0x76
 [<c04e6ae9>] do_vfs_ioctl+0x4a0/0x4de
 [<c058a00f>] ? selinux_file_ioctl+0x43/0x46
 [<c04e6b6d>] sys_ioctl+0x46/0x66
 [<c04090d3>] sysenter_do_call+0x12/0x28

-- Fernando